Adult tricycle



FIG. 1 is a left-side elevational view showing my new design for an adult tricycle.

FIG. 2 is a top plan view thereof.

FIG. 3 is a right-side elevational view thereof.

FIG. 4 is a front elevational view thereof.

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a partial sectional view of my new design taken along line 6--6 of FIG. 2. 

The ornamental design for an adult tricycle, as shown and described. 